AI Article Synopsis
- The study investigates the link between sleep patterns and growth in infants aged 1 to 6 months, noting that suboptimal sleep could lead to higher obesity rates.
- Researchers analyzed data from 298 infants to assess changes in sleep duration and waking patterns, finding that increased nighttime sleep and fewer nighttime awakenings were tied to lower odds of being overweight.
- The findings suggest that poor sleep in infancy might play a role in the development of excess body weight, highlighting the importance of good sleep habits early in life.
Article Abstract
Study Objectives: Suboptimal sleep is associated with obesity and its sequelae in children and adults. However, few studies have examined the association between sleep and physical growth in infants who experience rapid changes in sleep/wake patterns. We examined the longitudinal association of changes in objectively assessed sleep/wake patterns with changes in growth between ages 1 and 6 months.
Methods: We studied 298 full-term infants in the longitudinal Rise & SHINE cohort study. Changes from 1 and 6 months in nighttime sleep duration, wake after sleep onset (WASO), and number of waking bouts ≥5 min were assessed using ankle actigraphy. Overweight was defined as age- and sex-specific weight for length ≥95th percentile. Generalized estimating equation analyses adjusted for infants' and mothers' characteristics.
Results: The mean (SD) birth weight was 3.4 (0.4) kg; 48.7% were boys. In multivariable adjusted models, each 1-h increase in nighttime sleep duration between months 1 and 6 was associated with a 26% decrease in the odds of overweight from 1 to 6 months (odds ratio [OR] = 0.74; 95% confidence interval [CI, 0.56, 0.98]). Each 1-unit decrease in number of waking bouts was associated with a 16% decrease in the odds of overweight (OR = 0.84; 95% CI [0.72, 0.98]). Changes in WASO were not associated with the odds of overweight.
Conclusions: Greater increases in nighttime sleep duration and more consolidation of nighttime sleep were associated with lower odds of overweight from 1 to 6 months. Adverse sleep patterns as early as infancy may contribute to excess adiposity.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8754492 | PMC |
| http://dx.doi.org/10.1093/sleep/zsab243 | DOI Listing |
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